Project SEKAI 6th Anniversary Thanks Festival — DAY 1 & DAY 2

Project SEKAI 6th Anniversary Thanks Festival was held on 10/03/2026 and 10/04/2026 at Tokyo Metropolitan Gymnasium in Tokyo, celebrating the sixth anniversary of Project SEKAI COLORFUL STAGE! feat. Hatsune Miku. The special two-day event was presented by SEGA and Colorful Palette as a celebration of the fans who have supported the rhythm and adventure game throughout its six-year history. Both days featured three main sections: an original live reading performance with a story written exclusively for the event, a 6th Anniversary Talk Show looking back on memorable moments from Project SEKAI, and the 6th Anniversary Special Live, where the cast performed songs together with the Virtual Singers. The song selections and portions of the setlist differed between DAY 1 and DAY 2 according to the participating cast. DAY 1 featured performers from Leo/need and 25-ji, Nightcord de., including Ruriko Noguchi, Karin Isobe, Rui Tanabe, Minori Suzuki, and Hinata Sato. DAY 2 expanded the lineup with performers representing Leo/need, MORE MORE JUMP!, Vivid BAD SQUAD, Wonderlands×Showtime, and 25-ji, Nightcord de., including Yuki Nakashima, Yui Ogura, Mayu Yoshioka, Ai Furihata, Rina Honsumi, Akina, Tomomi Jena Sumi, Fumiya Imai, Daisuke Hirose, Machico, Tomori Kusunoki, Rui Tanabe, Minori Suzuki, and Hinata Sato.